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3 years ago

5

Which of the following is an example of an impropee fractioma student answered three questions on a 40-question test incorrectly

. What percent did the student answer correctly

1 answer:

Gnesinka [82]3 years ago

3 0

Answer:

7.5

Step-by-step explanation:

when we make a fraction percentage it is like this

3/40*100

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ad-work [718]

Answer:

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2 years ago

Hii!! I'm struggling a little on this, could someone help me with both the questions? thanks!! (how do i give brainliest help il

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Step-by-step explanation:

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2 years ago

1.what is the slope of the line passing through the points (1,-5) and (4,1)?

hoa [83]

Answer:

C. 2

Step-by-step explanation:

Slope = (y2-y1) / (x2-x1) , (x1,y1) = (1,-5) , (x2,y2)=(4,1)

= (1-(-5)) / (4-1)

= (1+5) / 3

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2 years ago

Jason has 4 gallons of hand sanitizer that contains 25% alcohol. He wants to make a hand sanitizer that contains 50% alcohol. Ho

alexandr402 [8]

Answer:

2 gallons of pure alcohol

Step-by-step explanation:

Let x represent the number of gallons of pure alcohol needed, and create an equation:

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1 + x = 0.5x + 2

x = 0.5x + 1

0.5x = 1

x = 2

So, 2 gallons of pure alcohol should be added.

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2 years ago

Andre's phone is 11.5 cm long. How many millimeters is this?

Eduardwww [97]

Answer:

about 115 millimeters

Step-by-step explanation:

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2 years ago